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KMID : 1206220200270030075
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Journal of Korean Academy of Physical Therapy Science
2020 Volume.27 No. 3 p.75 ~ p.83
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An effect of the Valsalva maneuver on resistance exercise of trunk flexion and extension
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Kim Jeong-Ja
Yoon Hyuk-Jin
Jang Kyung-Man
Lee Hee-Sun
Lee Jong-Won
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Abstract
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Background: The effect of the Valsalva maneuver applied in resistance exercise has shown contradictory results. This study aims to investigate the effect of the Valsalva maneuver on resistance exercise by examining the changes that occur by applying the Valsalva maneuver during trunk flexion and extension resistance exercise in healthy adults.
Design: Randomized controlled trial.
Methods: 34 healthy adults were conveniently recruited. According to the with or without Valsalva maneuver, the flexion and extension of the trunk were measured and evaluated.
Results: Paired t test showed that there was a statistically significant difference in maximum torque of trunk flexion in the resistance exercise with Valsalva maneuver. However, there was no statistically significant difference in trunk extension (p<.05), in the total and average work of trunk flexion and extension (p<.05).
Conclusion: The results of this study in which the difference in the amount of exercise according to the application of the Valsalva maneuver was not significant, show that the practice of the Valsalva maneuver, which has a risk of injury, should be avoided in rehabilitation exercises.
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KEYWORD
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Valsalva maneuver, Trunk flexion and extension, Resistance exercise
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